a4 white cardboard 180g (medium)(A4 白卡纸180g（中等）) a4 white cardboard 230g (thickened)(A4 白卡纸230g（加厚）) a4 white cardboard 250g (very thick)(A4 白卡纸250g（很厚）) a4 white cardboard 300g (extra thick)(A4 白卡纸300g（特厚）) a4 white cardboard 350g (extra thick)(A4 白卡纸350g（超厚）) a5 white cardboard 180g (medium)(A5 白卡纸180g（中等）) a5 white cardboard 230g (thickened)(A5 白卡纸230g（加厚）) a5 white cardboard 250g (very thick)(A5 白卡纸250g（很厚）) a5 white cardboard 300g (extra thick)(A5 白卡纸300g（特厚）) a5 white cardboard 350g (extra thick)(A5 白卡纸350g（超厚）) a3 white cardboard 180g (medium)(A3 白卡纸180g（中等）) a3 white cardboard 230g (thickened)(A3 白卡纸230g（加厚）) a3 white cardboard 250g (very thick)(A3 白卡纸250g（很厚）) a3 white cardboard 300g (extra thick)(A3 白卡纸300g（特厚）) a3 white cardboard 350g (extra thick)(A3 白卡纸350g（超厚）) 8k white cardboard 180g (medium)(8K 白卡纸180g（中等）) 8k white cardboard 230g (thickened)(8K 白卡纸230g（加厚）) 8k white cardboard 250g (very thick)(8K 白卡纸250g（很厚）) 8k white cardboard 300g (extra thick)(8K 白卡纸300g（特厚）) 8k white cardboard 350g (extra thick)(8K 白卡纸350g（超厚）) 4k white cardboard 180g (medium)(4K 白卡纸180g（中等）) 4k white cardboard 230g (thickened)(4K 白卡纸230g（加厚）) 4k white cardboard 250g (very thick)(4K 白卡纸250g（很厚）) 4k white cardboard 300g (extra thick)(4K 白卡纸300g（特厚）) 4k white cardboard 350g (extra thick)(4K 白卡纸350g（超厚）)

10 sheets (no gifts)(10张（无赠品）) 20 pieces (6 colored pencils for free)(20张（送彩色铅笔6只）) 50 pieces (6 colored pencils for free + buggy bag)(50张（送彩色铅笔6只＋收纳袋）) 100 pieces (6 colored pencils + buggy bag for free)(100张（送彩色铅笔6只＋收纳袋）)